package com.imooc.order.controller;

import com.netflix.hystrix.contrib.javanica.annotation.DefaultProperties;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.Arrays;

/**
 * HystrixController
 *
 * @author leon.cheng
 * @date 2018/12/19 10:18
 **/
@RestController
@DefaultProperties(defaultFallback = "defaultFallback")
public class HystrixController {
    //服务降级 超时设置
//    @HystrixCommand(commandProperties = {
//            @HystrixProperty(name="execution.isolation.thread.timeoutInMilliseconds",value = "3000")
//    })
    //熔断
    @HystrixCommand(commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled", value = "true"),//设置熔断
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold", value = "10"),//
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds", value = "10000"),
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage", value = "60")
    })
    //@HystrixCommand
    @GetMapping("/getProductInfoList")
    public String getProductInfoList(@RequestParam("number") Integer number) {
        if(number%2==0)
        {
            return "success";
        }
        RestTemplate restTemplate = new RestTemplate();
        return restTemplate.postForObject("http://localhost:8771/product/listForOrder",
                Arrays.asList("123456"),
                String.class);
//        throw new RuntimeException("发生异常了");
    }

    private String fallback() {
        return "太拥挤了，请稍后再试~~";
    }

    private String defaultFallback() {
        return "默认提示：太拥挤了，请稍后再试~~";
    }
}
